Coinbase Records 100,000 New Users in 3 Days as Investors Rush into Bitcoin On July 21. Bitcoin Improvement Proposal (BIP 91) was officially locked in, confirming the activation of the Bitcoin Core development team’s transaction malleability fix and scaling solution Segregated Witness (Segwit). Prior to the lock-in of BIP 91, its 80 percent activation threshold was achieved on July 16 and since then, the market has […]